[jboss-jira] [JBoss JIRA] Commented: (JBRULES-2455) Process variable length comma separated lists within cells

[Graham Gear (JIRA)]

    [ https://jira.jboss.org/browse/JBRULES-2455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12533822#action_12533822 ] 

Graham Gear commented on JBRULES-2455:
--------------------------------------

Discussed with Mark Proctor and decided to implement in a generic manner to support pluggable logical operations via a paramaterised forall reserved word:

property = $forall(,)
property = $forall(&&)
property = $forall(||)
etc

I have developed a patch against trunk (33335) localised to:

M       drools-decisiontables/src/test/java/org/drools/decisiontable/parser/LhsBuilderTest.java
M       drools-decisiontables/src/main/java/org/drools/decisiontable/parser/LhsBuilder.java
M       drools-templates/src/test/java/org/drools/template/model/SnippetBuilderTest.java
M       drools-templates/src/main/java/org/drools/template/model/SnippetBuilder.java

Patch attached as:

VariableLengthListDecisionTablePatch-trunk-33335.diff

> Process variable length comma separated lists within cells
> ----------------------------------------------------------
>
>                 Key: JBRULES-2455
>                 URL: https://jira.jboss.org/browse/JBRULES-2455
>             Project: Drools
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: drools-decisiontables
>    Affects Versions: 5.1.0.M1
>            Reporter: Graham Gear
>            Assignee: Mark Proctor
>         Attachments: VariableLengthListDecisionTablePatch.diff
>
>
> Given a decision table column:
> VALUE1, VALUE2, VALUE3
> VALUE4, VALUE5
> It is required that a DRL snippet could be constructed to utilise all available comma separated tokens and not have to hard code $1, $2 etc references.
> Eg a snippet could be:
> property == $forall_param_and
> resulting in the compiled snippet:
> property == "VALUE1" && property == "VALUE2" && property == "VALUE3"
> property == "VALUE4" && property == "VALUE5"

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